A few times this summer, I spotted big (like as long and thick as my thumb) black bugs in our dining room and kitchen, near the steps that lead to our basement. A co-worker told me they might be water bugs (?). Anyone familiar with these and have any clue how to get rid of them? They aren't really bothering us, it's more than they are grossing me out. We have a 3 year old child and a dog so I'd rather not have to resort to using a chemical spray. Any insight would be appreciated!